<template>
  <div class="register-container">
    <!-- 注册内容 -->
    <div class="register">
      <h3>注册新用户
        <span class="go">我有账号，去 <router-link to="/login">登陆</router-link>

        </span>
      </h3>
      <div class="content">
        <label>手机号:</label>
        <input type="text" placeholder="请输入你的手机号" v-model="phone" @blur="validatePhone">
        <span class="error-msg" v-if="phoneError">{{ phoneError }}</span>
      </div>
      <div class="content">
        <label>验证码:</label>
        <input type="text" placeholder="请输入验证码" v-model="code">
        <button style="width: 100px;height: 38px;" @click="getRandomCode" :disabled="isButtonDisabled">
          {{ isButtonDisabled ? countdown + '秒后重试' : '获取验证码' }}
        </button>
        <span class="error-msg">错误提示信息</span>
      </div>
      <div class="content">
        <label>登录密码:</label>
        <input type="text" placeholder="请输入你的登录密码" v-model="password" @blur="validatePassword">
        <span class="error-msg" v-if="passwordError">{{ passwordError }}</span>
      </div>
      <div class="content">
        <label>确认密码:</label>
        <input type="text" placeholder="请输入确认密码" v-model="againPassword" @blur="validateAgainPassword">
        <span class="error-msg" v-if="againPasswordError">{{ againPasswordError }}</span>
      </div>
      <div class="controls">
        <input name="m1" type="checkbox" v-model="agreeProtocol">
        <span>同意协议并注册《尚品汇用户协议》</span>
        <span class="error-msg" v-if="agreeError">{{ agreeError }}</span>
      </div>

      <div class="btn">
        <button @click="finishRegister">完成注册</button>
      </div>
    </div>

    <!-- 底部 -->
    <div class="copyright">
      <ul>
        <li>关于我们</li>
        <li>联系我们</li>
        <li>联系客服</li>
        <li>商家入驻</li>
        <li>营销中心</li>
        <li>手机尚品汇</li>
        <li>销售联盟</li>
        <li>尚品汇社区</li>
      </ul>
      <div class="address">地址：北京市昌平区宏福科技园综合楼6层</div>
      <div class="beian">京ICP备19006430号
      </div>
    </div>
  </div>
</template>

<script>
import { mapActions, mapState } from 'vuex';

export default {
  name: 'RegisterIndex',
  data() {
    return {
      phone: '',
      //验证码
      code: '',
      //密码
      password: '',
      //确认密码
      againPassword: '',
      //控制验证码的点击
      isButtonDisabled: false,
      countdown: 0,// 倒计时秒数
      // 错误信息
      phoneError: '',
      passwordError: '',
      againPasswordError: '',
      //是否勾选同意
      agreeProtocol: false,
      agreeError: '',

    }
  },
  computed: {
    ...mapState('userList', ['allUser'])
  },
  methods: {
    ...mapActions('userList', ['setRegister']),
    //生成验证码
    getRandomCodeString() {

      const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
      let result = '';
      for (let i = 0; i < 4; i++) {
        result += chars.charAt(Math.floor(Math.random() * chars.length));
      }
      if (this.code != '') {
        this.code = ''; // 清空旧验证码
      }
      this.code = result;
    },
    getRandomCode() {
      if (this.isButtonDisabled) return;

      this.getRandomCodeString(); // 第一次获取验证码
      this.isButtonDisabled = true;
      this.countdown = 5;

      const timer = setInterval(() => {
        this.countdown--;
        if (this.countdown === 0) {
          clearInterval(timer);
          this.isButtonDisabled = false;
        }
      }, 1000);
    },
    // 手机号校验
    validatePhone() {
      const phoneRegex = /^1[3-9]\d{9}$/;
      if (!this.phone) {
        this.phoneError = '手机号不能为空';
        return false;
      } else if (!phoneRegex.test(this.phone)) {
        this.phoneError = '手机号格式不正确';
        return false;
      } else {
        this.phoneError = '';
        return true;
      }
    },

    // 密码校验
    validatePassword() {
      if (!this.password) {
        this.passwordError = '密码不能为空';
        return false;
      } else if (this.password.length < 6 || this.password.length > 18) {
        this.passwordError = '密码长度应为6-18位';
        return false;
      } else {
        this.passwordError = '';
        return true;
      }
    },

    // 确认密码校验
    validateAgainPassword() {
      if (this.againPassword !== this.password) {
        this.againPasswordError = '两次密码输入不一致';
        return false;
      } else {
        this.againPasswordError = '';
        return true;
      }
    },
    async finishRegister() {
      const isPhoneValid = this.validatePhone();
      const isPwdValid = this.validatePassword();
      const isPwdSame = this.validateAgainPassword();

      if (!isPhoneValid || !isPwdValid || !isPwdSame) return;
      //校验是否勾选了同意按钮
      if (!this.agreeProtocol) {
        this.agreeError = '请勾选同意协议后再注册';
        return;
      } else {
        this.agreeError = '';
      }
      
      const params = {
        phone: this.phone,
        code: this.code,
        password: this.password
      };

      const exists = this.allUser.some(user => user.phone === params.phone);
      if (exists) {
        this.$message.error('该手机号已存在,可跳转登录页直接登录');
      } else {
        await this.setRegister(params);
        this.$message.success('添加新用户成功！');
        this.$router.push('/login');
      }
    }



  }
}
</script>

<style lang="less" scoped>
.register-container {
  .register {
    width: 1200px;
    height: 445px;
    border: 1px solid rgb(223, 223, 223);
    margin: 0 auto;

    h3 {
      background: #ececec;
      margin: 0;
      padding: 6px 15px;
      color: #333;
      border-bottom: 1px solid #dfdfdf;
      font-size: 20.04px;
      line-height: 30.06px;

      span {
        font-size: 14px;
        float: right;

        a {
          color: #e1251b;
        }
      }
    }

    div:nth-of-type(1) {
      margin-top: 40px;
    }

    .content {
      padding-left: 390px;
      margin-bottom: 18px;
      position: relative;

      label {
        font-size: 14px;
        width: 96px;
        text-align: right;
        display: inline-block;
      }

      input {
        width: 270px;
        height: 38px;
        padding-left: 8px;
        box-sizing: border-box;
        margin-left: 5px;
        outline: none;
        border: 1px solid #999;
      }

      img {
        vertical-align: sub;
      }

      .error-msg {
        position: absolute;
        top: 100%;
        left: 495px;
        color: red;
      }
    }

    .controls {
      text-align: center;
      position: relative;

      input {
        vertical-align: middle;
      }

      .error-msg {
        position: absolute;
        top: 100%;
        left: 495px;
        color: red;
      }
    }

    .btn {
      text-align: center;
      line-height: 36px;
      margin: 17px 0 0 55px;

      button {
        outline: none;
        width: 270px;
        height: 36px;
        background: #e1251b;
        color: #fff !important;
        display: inline-block;
        font-size: 16px;
      }
    }
  }

  .copyright {
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    line-height: 24px;

    ul {
      li {
        display: inline-block;
        border-right: 1px solid #e4e4e4;
        padding: 0 20px;
        margin: 15px 0;
      }
    }
  }
}
</style>